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Estimate resting and daily calories
The calculator uses the Mifflin–St Jeor equation to estimate basal metabolic rate, then applies an activity multiplier for an approximate daily maintenance estimate.
FREE ONLINE CALCULATOR
BMR & Calorie Calculator
Get a general estimate of resting energy use and activity-adjusted daily calories. Enter your details to calculate privately in your browser.
Open the bmr & calorie calculatorNo account needed. Your calculation stays in your browser.
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Understand what the estimate means
Energy needs vary between people and over time. This result is a general estimate, not a diagnosis, nutrition prescription, or substitute for advice from a qualified health professional.
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Your details stay in your browser
The calculation happens on your device. The personal measurements you enter are not uploaded to a Quick Tools server.
COMMON QUESTIONS
About the bmr & calorie calculator
What is BMR?
Basal metabolic rate is an estimate of the energy the body uses at rest to support basic functions. It does not include normal daily movement or exercise.
How are maintenance calories estimated?
The calculator multiplies an estimated BMR by an activity factor. Individual needs can differ from this estimate.
Is this a medical or nutrition recommendation?
No. It is a general estimate only. Consult a qualified health professional for personalized guidance.